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From j0llyr0g3r <timo.roess...@wincor-nixdorf.com>
Subject Re: concurrent usage of a journal and a database?
Date Mon, 15 Oct 2007 15:07:03 GMT

Ok guys, 

thanks for the explanation....



rajdavies wrote:
> 
> You can use the file based journal and a database together - it can  
> make sense where the database is local to the message broker using it  
> (embedded) - and for 4.x this is the default configuration - using  
> Apache derby as the database.
> 
> 
> 
> 
> cheers,
> 
> Rob
> 
> http://rajdavies.blogspot.com/
> 
> 
> 
> On Oct 15, 2007, at 12:27 PM, j0llyr0g3r wrote:
> 
>>
>> Hey folks,
>>
>> i really dont understand the following code-snippet from the original
>> AMQ-config-file:
>>
>>     <!-- Use the following if you wish to configure the journal  
>> with JDBC
>> -->
>>     <!--
>>     <persistenceAdapter>
>>         <journaledJDBC journalLogFiles="5"
>> dataDirectory="${activemq.base}/activemq-data"   
>> dataSource="#postgres-ds"/>
>>     </persistenceAdapter>
>>     -->
>>
>> where dataSource="#postgres-ds" would be
>>
>>   <!--
>>   <bean id="postgres-ds"  
>> class="org.postgresql.ds.PGPoolingDataSource">
>>     <property name="serverName" value="localhost"/>
>>     <property name="databaseName" value="activemq"/>
>>     <property name="portNumber" value="0"/>
>>     <property name="user" value="activemq"/>
>>     <property name="password" value="activemq"/>
>>     <property name="dataSourceName" value="postgres"/>
>>     <property name="initialConnections" value="1"/>
>>     <property name="maxConnections" value="10"/>
>>   </bean>
>>   -->
>>
>> which would be a PostgreSQL-Server.
>>
>> Why and - more important - how could it be possible to use the
>> filesystem-based journal AND a database at once?
>>
>> How does this make sense?
>>
>> From what i have, i'd thought that you only can use one at a time?
>>
>> Could somebody please enlighten me?
>> -- 
>> View this message in context: http://www.nabble.com/concurrent- 
>> usage-of-a-journal-and-a-database--tf4626576s2354.html#a13210886
>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>
> 
> 
> 

-- 
View this message in context: http://www.nabble.com/concurrent-usage-of-a-journal-and-a-database--tf4626576s2354.html#a13214336
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